Musical instrument positioning device



FIG. 1 is a perspective view of a musical instrument positioning device showing my new design;

FIG. 2 is a top elevational view with the bottom view being a mirror image thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a right side elevational view with the left side being a mirror image thereof.

The broken line showing of a guitar in FIG. 1 is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a musical instrument positioning device, as shown and described. 